When news of a scientific discovery is reported, readers must assess the credibility of the claim. for scientific discoveries in general, which statement indicates a valid and credible claim? a. the scientist aimed for precision and accuracy by using a small sample size. b. the scientist followed strict standards of investigation and scientific methodology throughout the research. c. the scientist assured that the experiment was broad in scope by testing many variables in each trial. d. no other scientists replicated the experiment to avoid the legal issues of patent infringement.